Second order secular planetary theory for the four major planets Osman M. KamelAbdel Aziz Bakry OriginalPaper Pages: 123 - 134
Tectonics of the southern escarpment of Ishtar Terra on venus from observations of morphology and gravity Peter JanleDieter Jannsen OriginalPaper Pages: 141 - 155
A Landsat-assisted study of the aquatic areas of the Lake Kemijärvi region, Northern Finland J. RaitalaH. JantunenS. Hellsten OriginalPaper Pages: 183 - 216
The occultation of MKE 31 by Neptune on September 12, 1983 A. K. PandeyH. S. MahraVijay Mohan Letter to the Editor Pages: 217 - 219